jinit_d_main_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
{
my_main_ptr main;
int ci, rgroup, ngroups;
jpeg_component_info *compptr;
main = (my_main_ptr)
(*cinfo->mem->alloc_small)((j_common_ptr) cinfo, JPOOL_IMAGE,
SIZEOF(my_main_controller));
cinfo->main = (struct jpeg_d_main_controller *) main;
main->pub.start_pass = start_pass_main;
if (need_full_buffer) /* shouldn't happen */
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
/* Allocate the workspace.
* ngroups is the number of row groups we need.
*/
if (cinfo->upsample->need_context_rows) {
if (cinfo->min_DCT_v_scaled_size < 2) /* unsupported, see comments above */
ERREXIT(cinfo, JERR_NOTIMPL);
alloc_funny_pointers(cinfo); /* Alloc space for xbuffer[] lists */
ngroups = cinfo->min_DCT_v_scaled_size + 2;
} else
ngroups = cinfo->min_DCT_v_scaled_size;
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
ci++, compptr++) {
rgroup = (compptr->v_samp_factor * compptr->DCT_v_scaled_size) /
cinfo->min_DCT_v_scaled_size; /* height of a row group of component */
main->buffer[ci] = (*cinfo->mem->alloc_sarray)
((j_common_ptr) cinfo, JPOOL_IMAGE,
compptr->width_in_blocks * compptr->DCT_h_scaled_size,
(JDIMENSION)(rgroup * ngroups));
}
}
jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer)
{
my_main_ptr main;
__boundcheck_metadata_store((void *)(&main),(void *)((size_t)(&main)+sizeof(main)*8-1));
int ci;
__boundcheck_metadata_store((void *)(&ci),(void *)((size_t)(&ci)+sizeof(ci)*8-1));
int rgroup;
__boundcheck_metadata_store((void *)(&rgroup),(void *)((size_t)(&rgroup)+sizeof(rgroup)*8-1));
int ngroups;
__boundcheck_metadata_store((void *)(&ngroups),(void *)((size_t)(&ngroups)+sizeof(ngroups)*8-1));
jpeg_component_info *compptr;
__boundcheck_metadata_store((void *)(&compptr),(void *)((size_t)(&compptr)+sizeof(compptr)*8-1));
main = (my_main_ptr)
(*(void *(*)(j_common_ptr, int, size_t))(__boundcheck_ptr_reference(483,19,"jinit_d_main_controller",(void *)(cinfo->mem->alloc_small),(void *)cinfo->mem->alloc_small))) ((j_common_ptr) cinfo, JPOOL_IMAGE,
SIZEOF(my_main_controller));
cinfo->main = (struct jpeg_d_main_controller *) main;
main->pub.start_pass = start_pass_main;
if (need_full_buffer) /* shouldn't happen */
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
/* Allocate the workspace.
* ngroups is the number of row groups we need.
*/
if (cinfo->upsample->need_context_rows) {
if (cinfo->min_DCT_scaled_size < 2) /* unsupported, see comments above */
ERREXIT(cinfo, JERR_NOTIMPL);
alloc_funny_pointers(cinfo); /* Alloc space for xbuffer[] lists */
ngroups = cinfo->min_DCT_scaled_size + 2;
} else {
ngroups = cinfo->min_DCT_scaled_size;
}
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
ci++, compptr++) {
rgroup = (compptr->v_samp_factor * compptr->DCT_scaled_size) /
cinfo->min_DCT_scaled_size; /* height of a row group of component */
main->buffer[_RV_insert_check(0,10,507,5,"jinit_d_main_controller",ci)] = (*(JSAMPARRAY (*)(j_common_ptr, int, JDIMENSION, JDIMENSION))(__boundcheck_ptr_reference(507,38,"jinit_d_main_controller",(void *)(cinfo->mem->alloc_sarray),(void *)cinfo->mem->alloc_sarray)))
((j_common_ptr) cinfo, JPOOL_IMAGE,
compptr->width_in_blocks * compptr->DCT_scaled_size,
(JDIMENSION) (rgroup * ngroups));
}
}
